#! /bin/sh
### BEGIN INIT INFO
# Provides:          stn
# Required-Start:    $local_fs $remote_fs
# Required-Stop:     $local_fs $remote_fs
# Should-Start:      $network
# Should-Stop:       $network
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Daemonized version of Stn.
# Description:       Starts the Stn daemon with the user specified in
#                    /etc/default/stn.
### END INIT INFO

# Author: Muttley <http://code.google.com/p/unuseful-code/>

# PATH should only include /usr/* if it runs after the mountnfs.sh script
PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="Scrap, Trig and Notify Daemon"
NAME=stn
DAEMON=/usr/local/sbin/$NAME
PIDFILE=/tmp/$NAME.pid

# Exit if the package is not installed
[ -x "$DAEMON" ] || exit 0

# Read configuration variable file if it is present
[ -r /etc/default/$NAME ] && . /etc/default/$NAME

if [ $STN_CFG_FILE ]
then
   CFG_FILE="-c $STN_CFG_FILE"
fi

DAEMON_ARGS="-$STN_VERBOSITY -l $STN_LOG -p $PIDFILE $CFG_FILE"

if [ -z "$RUN_AT_STARTUP" -o "$RUN_AT_STARTUP" != "YES" ]
then
   log_warning_msg "Not starting $NAME, edit /etc/default/$NAME to start it."
   exit 0
fi

if [ -z "$STN_USER" ]
then
    log_warning_msg "Not starting $NAME, STN_USER not set in /etc/default/$NAME."
    exit 0
fi

# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh

# Define LSB log_* functions.
# Depend on lsb-base (>= 3.2-14) to ensure that this file is present
# and status_of_proc is working.
. /lib/lsb/init-functions

#
# Function that starts the daemon/service
#
do_start()
{
	# Return
	#   0 if daemon has been started
	#   1 if daemon was already running
	#   2 if daemon could not be started
#	start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --test > /dev/null \
#		|| return 1
#	start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON -- \
#		$DAEMON_ARGS \
#		|| return 2
	start-stop-daemon --start --quiet --pidfile $PIDFILE --user "$STN_USER" --chuid "$STN_USER" --exec $DAEMON --test >/dev/null || return 1
        su -c "$DAEMON $DAEMON_ARGS" $STN_USER >/dev/null || return 2
}

#
# Function that stops the daemon/service
#
do_stop()
{
	# Return
	#   0 if daemon has been stopped
	#   1 if daemon was already stopped
	#   2 if daemon could not be stopped
	#   other if a failure occurred
	su -c "$DAEMON -s -p $PIDFILE" $STN_USER
	RETVAL="$?"
	return "$RETVAL"
}
# Force daemon init script verbosity
VERBOSE="yes"

case "$1" in
  start)
	[ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
	do_start
	case "$?" in
		0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
		2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
	esac
	;;
  stop)
	[ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
	do_stop
	case "$?" in
		0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
		2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
	esac
	;;
  status)
       status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
       ;;
  restart|force-reload)
	#
	# If the "reload" option is implemented then remove the
	# 'force-reload' alias
	#
	log_daemon_msg "Restarting $DESC" "$NAME"
	do_stop
	case "$?" in
	  0|1)
		do_start
		case "$?" in
			0) log_end_msg 0 ;;
			1) log_end_msg 1 ;; # Old process is still running
			*) log_end_msg 1 ;; # Failed to start
		esac
		;;
	  *)
	  	# Failed to stop
		log_end_msg 1
		;;
	esac
	;;
  *)
	echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2
	exit 3
	;;
esac

:
